Rotary pump.



PATENTED APR. 30, 1907.

R. P. GHRIS'IENSBN.

ROTARY PUMP.

APPLICATION FILED JUNn1o,19oe.

2 SHEETS-SHEET 1.

ma M

FATENTED APR. 30, 1907.

R. P. GHRISTBNSUN.

ROTARY PUMP. APPLIoA'rIoN rILED JUNB19,1906.

lr; l j.

LLM

Ui" BU1"`A l lO, NEW YORK.

. Patented gpl-ii 3Q 1907.

pumpss; oaliiclion ol: ai simple, ivo pump limi" im: Lily assomme-il :1mi flisi i mi :L :frm I ml if; my in- 'o llml,{lr'mviiigri iii detail. lilo-g DQimf: imm' lo like mils iu lw shown l pumped is fli'ziwii into the cylimlci' by Suid cyliudriwl portion is looml attached to lli@ shia/1'?, so that the latmuy vomir, ihcieux while mii-Tying tliv pinion llu'ougii i; vii-millar cours, within the is in die 'form of' a semi-nylin.

lmlmvm is, msi integrally with the la pow llwrcof. :limi ififlosing said nfippoitiou wil/li 7 #tolling-boys iii 'tlm liomls oi' tno mib-ing, mhd :ai (mv mulol' fumi Slml is; u. pulley by ii-ieaus;

A 'siwtion vi'llmffd. lliv liquid or matto in lxo xpm-v :ilmvo .lw piHon Qi* beruf-0n the? Smile 3 uml tlm mising; is oxpilimlzilnmigli om millet. -i "lm suction on tlic miller Side: :mil 1li@ pigis- .Mmmm llw iippci'sidool' lg l outlet, and an abutment-chamber between the said inlet and voutlet,' a crank-shaft passing through sai-id cylindrieel-portion, a piston comprising two members. secured to said '5' shalt on opposite sides of the *crank thereof,

end en abutment movable in said abutmentchamber and se'eured to seid ersmk. 5

2.v in a rotary-pump, a-oasing comprising n (.zylindrical portion having an inlet and :in

xc outlet, and unubutment-ehgnnber between the seid'inlet and outlet, a crank-'shaft pass ing through said *cylindrical-portion, a pistony comprising 'tufo' .members secured to said shaft on opposite' 'sides of the crank thereof,

i 5 and an abutment movable in said abutmentehember and having e oylii'idrieal portion seouredloesely to said 'crank between the two members oi" tl1e.piston I 3.' In a rotary-pump, a easing Acomprising;

2c a' cylindrical portion having an inletand an outlet, and' an abntment-elnuriber between the said inlet and outlet, n crank-shaft puissing through seid eylindrie:il-portion, a piston comprising Itwo members secured to said 2 5 shaft ont-opposite sides of the crank thereof,

and an @ibut-ment Comprising it flat-portion Seewemovable in seil ebntinenthernber emilia cylindrical portion secured loosely' to said crank between the two members of the pis' ton; Aseid oflindric-el portion comprising a part integra with Said llint-portion, a cap sefece-plate fitting over Seid'eap end limfing its ends secured to said integral part. l

4. In si rotary pump,- a easing having sin inlet and an outlet,a crank-shaft passing tlu'ough the easing, a. pistonfeornprising two members secured tolSaid crank-shaft at o posite sides of the ora-nk thereof, -and an e. utment positioned betWe yiisgtid inlet and said outlet and having e, lafportion and a oylinf dricel-portionsecured looselyT to said crank between the two members of the pistoni; the inner edge of vthe flat-portion of said .abutment bearingavgainst the pistonanembers.

In testimonyT hereof,- I have atxed my signature in the presence, of twol'subsoribing l RAUS P. HRISTENSEN. Nitnessesz MAY F. SEWERT, v

EMIL NEUHAR'L eured to. sind integral part, end e'eurved. 

